Error Codes; Mm.convection Fan Does Not Work; Nn.noisy Convection Fan; Oo.convection Fan Does Not Shut Off - Wolf DF30 Technical & Service Manual

Troubleshooting Guide
PROBLEM
MM. CONVECTION FAN DOES
NOT WORK
NN. NOISY CONVECTION FAN
OO. CONVECTION FAN DOES
NOT SHUT OFF WHEN
OVEN DOOR OPEN
PP. OVEN LIGHT DOES NOT
WORK
QQ. DOOR WILL NOT LOCK
IN SELF-CLEAN MODE
ERROR CODE
01
02
03
04
07
08
09
0B
0C
0E
Problems Associated with the Oven
POSSIBLE CAUSE
Loose or defective wire connection
Defective convection motor
Fan blade out of balance
Loose fan blade
Unit in sabbath feature
Defective door switch
Defective bulb (if only one bulb out)
Defective fuse (if both bulbs out)
Loose or defective wiring
Defective door switch (if both bulbs out)
Defective key pad (if both bulbs out)
Defective transformer (if both bulbs out)
Loose or defective wiring
Defective motorized door latch assembly

Problems Associated with Error Codes

POSSIBLE CAUSE
Door Lock or Unlock Switches not sensed
within 60 seconds while driving the door
lock motor
Over temperature occurs when the oven
reaches a temperature of 630 °F for an
unlocked door and 950°F for a locked door
Open circuit detected on RTD Oven Sensor
Shorted circuit detected on the RTD Sensor
SPI Communication lost from ECH to the
Control Board as reported by Control Board
EEPROM checksum is incorrect. Checked
at power up
Meat probe being sensed as shorted
Analog to Digital error during calibration
phase
Communication lost with oven controller
Power relay shorted, sensed as closed
when should be open
Failure of element circuit
Failure of relay drive circuitry
D D u u a a l l F F u u e e l l R R a a n n g g e e
Repair or replace wiring
Replace convection fan assembly
Replace convection motor assembly
Tighten nut for fan blade
Turn oven bezel to OFF to exit
Ohm door switch and motor. Replace motor-
ized door latch assembly if defective
Replace bulb
Test fuse and replace if it is bad
Repair or replace wiring
Replace motorized door latch assembly
Replace ECH
Replace transformer
Repair or replace wiring
Ohm switches and motor. Replace if defective
Perform motorized door lock test procedure in
diagnostic mode
Ohm door lock switches. Replace MDL (Motor
Door Lock) Assembly if defective
Ohm RTD sensor, replace if defective. If RTD
good replace oven controller.
Ohm RTD sensor, replace if defective. If RTD
good replace oven controller.
Ohm RTD sensor, replace if defective. If RTD
good replace oven controller.
Code reflects that the ECH cannot fine the
Control Board. Replace cable first. Replace
ECH if replacing cable does not correct problem
Replace oven controller
Initiated diagnostic mode and check meat
probe. Ohm meat probe, check reading with
Tech Data
Replace oven controller
Replace oven controller
Replace relay board
Replace relay board
Replace relay board
5-10
TEST / ACTION
TEST / ACTION